You have met some people here in flesh?Yes, my parents are all Chinese, and we live in southwest of China, Chongqing Province, and there is a Ghost City, that is my hometown. i know this forum and know the members by chance.
Anyhow, maybe it is just some stress, or depression. Sometimes it happens that you feel till, but there is nothing physically worng with you. Just keep your mind off anything that is troubling you. Hope this helps.